R35 GTR Focal Curve Plug and Play (2009-14)


GTR Focal Flax

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Looking to upgrade the bass in your 2009-2014 R35 GT-R from the factory Bose system? The Focal Twin 8 Bass upgrade is the high fidelity system that delivers superior performance with remarkable clarity. The Focal Flax subwoofers produce a very balanced sound while maintaining precise clarity at very high volumes. Characterized by a hand-sanded curved subwoofer enclosure, signature flax polymer cones, and the iconic Focal dust cap, this system looks as great as it sounds. This system can be heard over any aftermarket exhaust.

This item is for the full turnkey subwoofer upgrade and includes everything you need for the install. The install time takes approximately two hours depending on your install ability. This is a plug and play style install. All bolts match up to factory bolt locations, no wire cutting is required, no holes need to be drilled, and the front seats do not need to be removed. Tools required for the install are a flat screwdriver, 10mm socket driver, 14mm socket driver, 4mm Allen key. This kit includes:

  • Xtreme Audio twin 8″ sealed curved subwoofer enclosure
  • 2 Focal Flax 8″ subwoofer
  • JL Audio MX500 amplifier
  • LOC90 line converter with gain control
  • Amplifier rack
  • Pre-built plug and play wiring harness
  • Enclosure mounting brackets and hardware

Out of stock





  • Focal Flax series 8″ high performance subwoofers
  • 500RMS watts (continuous power handling
  • 2 ohm load
  • Gold plated speaker terminals
  • 10 gauge pure copper speaker wire 

Additional information

Weight 45 lbs
Dimensions 24 × 12 × 12 cm